Make a Transparency Mask with InDesign

Most Photoshop and Illustrator users are familiar with the concept of a mask: a layer or selection that hides the artwork immediately beneath it.

Though you won’t find the word “mask” in InDesign, you can still create masking effects with this technique from David Blatner, involving InDesign’s Knockout Group option. He’ll also show you how to edit your masks and preserve them when you export to PDF. Watch the free video below to get started.